Well I've been browsing these forums for some time now, and I've decided to do a couple of my own projects now. Now this circuit is used for detecting water:
http://img9.imageshack.us/img9/1259/circuit1l.jpg
Now my question is, can I replace the buzzer with a relay and expect the circuit to still work? Or do I need something to drive more current?
http://img9.imageshack.us/img9/1259/circuit1l.jpg
Now my question is, can I replace the buzzer with a relay and expect the circuit to still work? Or do I need something to drive more current?